package com.thinkverse.recommendation.service.impl;

import com.thinkverse.recommendation.service.RecommendationService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

/**
 * 推荐服务实现类
 */
@Slf4j
@Service
@RequiredArgsConstructor
public class RecommendationServiceImpl implements RecommendationService {
    
    @Override
    public List<Map<String, Object>> getPersonalizedRecommendations(Long userId, Integer size) {
        // TODO: 实现个性化推荐逻辑，基于用户行为、兴趣等
        log.info("个性化推荐: userId={}, size={}", userId, size);
        return new ArrayList<>();
    }
    
    @Override
    public List<Map<String, Object>> getExpertRecommendations(String researchField, Integer size) {
        // TODO: 实现专家推荐逻辑，基于研究领域、影响力等
        log.info("专家推荐: researchField={}, size={}", researchField, size);
        return new ArrayList<>();
    }
    
    @Override
    public List<Map<String, Object>> getRelatedPapers(Long paperId, Integer size) {
        // TODO: 实现相关论文推荐逻辑，基于论文内容相似度等
        log.info("相关论文推荐: paperId={}, size={}", paperId, size);
        return new ArrayList<>();
    }
    
    @Override
    public List<Map<String, Object>> getTrendingPapers(Integer size) {
        // TODO: 实现热门论文推荐逻辑，基于下载量、引用量等
        log.info("热门论文推荐: size={}", size);
        return new ArrayList<>();
    }
}
